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Specimen Validity Test Panel
Test Code39343
CPT Codes
82570, 83986, 84311
Includes
Creatinine, pH and Oxidants
May also include Specific Gravity.
May also include Specific Gravity.
Preferred Specimen
9 mL urine collected in a clinical drug test transport vial
Minimum Volume
5 mL
Other Acceptable Specimens
Urine collected in urine collection container
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 5 days
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Methodology
Spectrophotometry (SP)
Setup Schedule
Set up: Daily; Report available: 3 days
Reference Range
See Laboratory Report
Clinical Significance
The analysis of drugs in urine is useful in confirming a patient?s compliance with prescriptions provided to them by a physician, as well as detecting illicit or improper use of drugs/medications. Specimen validity testing (i.e. pH, creatinine, oxidants, etc.) is useful in determining whether someone has intentionally tampered with the submitted urine for the purposes of avoiding detection of such use.
